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| author | Bhasker Hariharan <bhaskerh@google.com> | 2020-11-05 19:05:14 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-11-05 19:12:09 -0800 |
| commit | 06e33cd737c59623ddcca60eacefb112fc1a0cd4 (patch) | |
| tree | f4e1c14d2adc608d7e78a82eca047565f052b1c2 /pkg/tcpip/network/ipv4 | |
| parent | 0e8fdfd3885bda36c0cb9225a107f1ee30c6c65f (diff) | |
Cache addressEndpoint.addr.Subnet() to avoid allocations.
This change adds a Subnet() method to AddressableEndpoint so that we
can avoid repeated calls to AddressableEndpoint.AddressWithPrefix().Subnet().
Updates #231
PiperOrigin-RevId: 340969877
Diffstat (limited to 'pkg/tcpip/network/ipv4')
| -rw-r--r-- | pkg/tcpip/network/ipv4/ipv4.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go index 1bc2c4aff..cfd0c505a 100644 --- a/pkg/tcpip/network/ipv4/ipv4.go +++ b/pkg/tcpip/network/ipv4/ipv4.go @@ -692,7 +692,7 @@ func (e *endpoint) AcquireAssignedAddress(localAddr tcpip.Address, allowTemp boo loopback := e.nic.IsLoopback() addressEndpoint := e.mu.addressableEndpointState.ReadOnly().AddrOrMatching(localAddr, allowTemp, func(addressEndpoint stack.AddressEndpoint) bool { - subnet := addressEndpoint.AddressWithPrefix().Subnet() + subnet := addressEndpoint.Subnet() // IPv4 has a notion of a subnet broadcast address and considers the // loopback interface bound to an address's whole subnet (on linux). return subnet.IsBroadcast(localAddr) || (loopback && subnet.Contains(localAddr)) |